DOD-F-24669-2(修订版1)军用规范锻钢和锻钢坯料-铬钼合金(1987年10月2日)-[替代-mi-S-18410和-mi-S-872A]

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时间:2023-03-14

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上传者:战必胜
.TDOD-F-2 669/2
AMENDMENT 1
2 October
198’7
MILITARY SPECIFICATION
FORGINGS AND FORGING STOCK, STEEL BARS
AND BILLETS -
CHROMIUM-MOLYBDENUM ALLOY (METRIC)
This amendment forms a part of Military Specification DOD-F-24669/2 dated
7 July
1986,and is approved for use by all Departments and Agencies of
the Department of Defense.
PAGE 3
TABLE 1: Delete and substitute:
“TABLE I. Chemical requirements.
F-n
0.10-0.20
F-22
.
15 max
Phos-
Manganese phorous
Sulfur Silicon Molybdenum
Chromium
(percent)
(max)
(max)
(percent) (percent) (percent)
0.30-o.80
0.040
0.040
0.50-1.00 0.45-0.65 1.00-1.50
.30- .60 .040
.040
.50 max .90-1.10
2.00-2.50
!?
A
Custodians: Preparing activity:
Army - MR
Navy - SH
Navy - SH
Air Force
- 99
(Project FORG-0162)
Review activities:
Army - AR, MI, CL
Navy -
AS, OS
Air Force - 84
User activity:
Navy - MC
AMSC N/A
AREA FORG
DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited
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